Q: What was the geometry student looking for at the beach? 5 M. Z, l& K& D9 ^, j( D 0 b. c6 n$ d" t! q! j. z6 {A: A tangent. * H2 \2 j7 U* T0 S5 b' d" W) [6 ?+ l( K1 g* {' Z
tangent & t' E' I2 l* A9 `1 r5 Y
noun 3 ?, m+ q7 L5 h (geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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